package com.example.utils;

import com.auth0.jwt.JWT;
import com.auth0.jwt.algorithms.Algorithm;

import java.util.Date;
import java.util.Map;

public class JwtUtils {

    private  static  final String KEY="lxw666";

    //接收业务数据，生成token并返回
    public static String genToken(Map<String,Object> claims){
        return  JWT.create()
                .withClaim("claims",claims)
                .withExpiresAt(new Date(System.currentTimeMillis()+1000*60*60*12))
                .sign(Algorithm.HMAC256(KEY));
    }

    //接收token，验证token，并返回业务数据
    public static Map<String,Object>parseToken(String token){
        return JWT.require(Algorithm.HMAC256(KEY))
                .build()
                .verify(token)
                .getClaim("claims")
                .asMap();
    }

}
